ERITECH® SYSTEM 3000Installation, Operation and
Maintenance Manual
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First printed 1988
ERITECH® SYSTEM 3000 INSTALLATION,OPERATION AND MAINTENANCE MANUALDue to ongoing research into the phenomena of lightning and lightning protection technology and product improvement, ERICO® reserves the right to alter any information and specifications contained herein at any time without notice. Installers of ERITECH® SYSTEM 3000 should check that they have the latest edition.This manual replaces HB-HBCR-134 (Issue 1) edition number 6-2000.The ERITECH SYSTEM 3000 is manufactured by ERICO.
International patents on the ERITECH SYSTEM 3000 are existing and pending.ERITECH SYSTEM 3000 (or any other lightning protection system) does NOT offer 100% protection against all lightning events. However, correct installation is essential for the maximum level of safety.
Details of ERITECH SYSTEM 3000 Lightning Protection System
System Owner:
Location:
Date Installed:
Installation Contractor:
Purchased From:
Signature of Installation Contractor:
EDITION 14
HB-HBCR-169 REVISION 2
Copyright ©2009 ERICO International Corporation. All rights reserved.CADDY, CADWELD, CRITEC, ERICO, ERITECH, ERIFLEX, and LENTON
are registered trademarks of ERICO International Corporation.
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The ERITECH® SYSTEM 3000 Installation, Operation
and Maintenance Manual
HB-HBCR-169
1
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Table of Contents
Pre-Installation Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4Grounding Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5 Downconductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5
Structural Bonding Braid & Conductive Structural Points . . . . . . . . . . . . . . . . . . . Page 6Lightning Event Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6ERITECH® DYNASPHERE Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6Masts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7
Checking Lightning Protection Components on Receipt . . . . . . . . . . . . . . . . . Page 8
ERITECH® SYSTEM 3000 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 9Grounding Systems Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 9
Ground Resistance Lowering Compounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 12Insulation of Grounding Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 12Bonding the Lightning Protection Ground to other Service Grounds . . . . . . . . . Page 12Labelling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 13
Downconductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 14Downconductor Hauling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 14Penetrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 16Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 16Securing the Downconductor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 18Use of Mast or Conventional Cable as the Downconductor . . . . . . . . . . . . . . . . Page 19Labelling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 20Structure Bonding Braid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 20Terminating the ERITECH® ERICORE Lower End . . . . . . . . . . . . . . . . . . . Page 24Terminating the ERITECH ERICORE Upper End . . . . . . . . . . . . . . . . . . . Page 28
Terminals and Masts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 40Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 40Masts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 40Mast Bases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 41Mast Couplings & Guying Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 42Guying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 44Raising of Mast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 45
Lightning Event Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 48Long Lengths of ERITECH ERICORE Downconductor . . . . . . . . . . . . . . . . . . . .Page 49Parallel ERITECH® ERICORE cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 51
Series connected ERITECH ERICORE cable sections . . . . . . . . . . . . . . . . . . . . . . . Page 52Practical Examples for long lengths of ERITECH ERICORE . . . . . . . . . . . . . . . Page 54
Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 55
Operation & Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 55Maintenance Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 58
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 59
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 62
Certificate of Compliance and Warranty Registration . . . . . . . . . . Inside Back Cover
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ERITECH® SYSTEM 3000
Due to ongoing research into the phenomena of lightning, lightning protectiontechnology and product improvement, ERICO® reserves the right to alter anyinformation and specifications contained herein at any time without notice.
Users should check with ERICO to ensure they have the latest edition.
THE ERITECH® SYSTEM 3000 Installation, Operation
and Maintenance Manual
Local Distributors should be the user’s first point of contact with supply, delivery, installation,limited warranty, and checking of the system for compliance with Manufacturer’s instructions.
Warning:1. ERICO products shall be installed and used only as indicated in ERCIO product instructionsheets and training materials. Instruction sheets are available at www.erico.com and from yourERICO customer service representative.
2. ERICO products must never be used for a purpose other than the purpose for which theywere designed or in a manner that exceeds specified load ratings.
3. All instructions must be completely followed to ensure proper and safe installation andperformance.
4. Improper installation, misuse, misapplication or other failure to completely follow ERICO’sinstructions and warnings may cause product malfunction, property damage, serious bodilyinjury and death.
The customer is responsible for:a. Conformance to all governing codes.b. The integrity of structures to which the products are attached, including their
capability of safely accepting the loads imposed, as evaluated by a qualifiedengineer.
c. Using appropriate industry standard hardware as noted above.
SAFETY INSTRUCTIONS: All governing codes and regulations and those required by the jobsite must be observed. Always use appropriate safety equipment such as eye protection, hardhat, and gloves as appropriate to the application.
The ERITECH® SYSTEM 3000 is manufactured by ERICO.
International patents on the ERITECH SYSTEM 3000 are existing.
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This manual is a guide to the Installation,Operation and Maintenance of theERITECH® SYSTEM 3000 LightningProtection System.
It assumes that the system to be installedhas been designed by an authorized ERICO®
representative. The system design willinclude:
• Grounding system design - a configuration should be designed as a result of soil resistivity analysis.
• Downconductor routes - chosen to avoid other services, maintain minimum bending radii and minimize downconductor run length.
• Downconductor securing requirements.
• Terminal types - operating environment.
• CAD analysis design software whichdetermines terminal placement, mast &height requirements as well as protectionlevel calculation.
All of the above are recommended for asuccessful installation. If there is any doubtabout any of the points mentioned, pleasecontact ERICO or your nearest Distributorfor clarification.
Only attempt to install the ERITECH SYSTEM 3000 during storm-free periods.
Pre-Installation Requirements
Figure 1.
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Grounding Systems
The grounding system is critical to theintegrity of any lightning protectioninstallation and should includeconsideration of:
• Local Standards compliance (IEC 61024-1, BS 6551, AS1768-1991, NFPA 780, C22.1-98, NEC® etc.)
• Available space / location.
• Natural soil conditions - resistivity of soil, soil moisture content, soil temperature range, etc.
• Location of underground services - Power, Communications, Fuel, Gas, Water, etc.
• Corrosive environments, ie: salt water, acid / alkaline contaminated ground mass.
• Use of suitable grounding rods such as ERITECH® rods.
• Minimization of risk to personnel.
Contact an ERICO office or Distributor if yourequire further advice on groundingsystems.
Downconductors
The ERITECH® ERICORE downconductor orother recommended downconductor shouldhave been selected during the design stage,as should the route, length and anypreterminations of the downconductor.
Re-check intended route of downconductor immediately prior to installation to ensure that:
• There are no structural changes oradditions that may effect the initialdesign.
• Most direct route possible to the grounding system with minimal number of bends and as flush with the structure as possible.
• Minimum bending radii maintained (500 mm, 20 in.).
• Parallel routing with other services - minimum separation = 2 m (80 in.).
• Attachment to the structure is at amaximum of every 1 m (40 in.) for thetop 10% of the downconductor routeand 2 m (80 in.) from then on.
The recommended order of installation is as follows:
1. Full installation of the grounding system.
2. Full installation of the downconductor.
3. Termination of the downconductor to the grounding system.
4. Upper termination of the downconductor (may already have been completedby ERICO®) and connection to the ERITECH® DYNASPHERE air terminal.
5. Termination of bonding cable from upper termination to structure (if required).
6. Raise mast into position and secure.
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Re-check:
• Securing of downconductor - saddles,cable ties, beam clamps, cable hangers,etc, are appropriate.
• Method of cable installation, ie. cable upper terminated on the outside of thedrum - to be rolled off from the base ofthe structure, or cable upper terminatedon the inside of the drum - to be rolledoff from the top of the structure, (refer Figure 6 on page 15).
• The outer sheath of the downconductormust be electrically bonded to aconductive structural point within 5 m(17 ft) of the upper termination kit.
Structural Bonding Braid & ConductiveStructural Points
When installing the upper end ofthe downconductor on a masonrystructure (concrete panels, brick,
etc), the downconductor should be secureddirectly to the structural steel work. Inaddition, the bonding cable (supplied in thetermination kit) must be connected via 6 mm2 (8 AWG) insulated copper cable tothe nearest conductive structural point. Thispoint should be where the downconductorfirst comes into contact with the structureand may be either structural steel work orthe reinforcing within concrete panels orslabs.
It is recommended that this point bedetermined prior to the installation to allowfor any site work or equipment that may berequired prior to the installation.
The 6 mm2 (8 AWG) cable is not suppliedand the length of the cable will need to bedetermined and obtained beforecommencing the installation.
See Pages 18 to 24, figures 10-17 for moredetails and diagrams.
Lightning Event Counters
The Lightning Event Counter (LEC IV) is a device for registering and recording thenumber of strikes that the ERITECH®
SYSTEM 3000 has intercepted. The designof this counter allows many installationalternatives on the downconductor asdiscussed in later text. Also, seeSpecifications on page 60.
The following should be considered prior toinstallation of the Lightning Event Counter:
• It is advisable to locate the LEC IV in a secure area that is not prone to contact with moving objects, theft, or vandalism.
• If the LEC IV is to be encased in an additional enclosure, ensure that it is mounted to enable easy access to the display, (see figure 32 on page 48).
ERITECH® DYNASPHERETerminals
The ERITECH® DYNASPHERE is the airterminal of the ERITECH SYSTEM 3000.
Ensure that the appropriate air terminal hasbeen provided.
Suitable for use in:• General purpose applications• High temperature environments• Corrosive environments (salt or acid
atmosphere)
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Ensure the air terminal is supplied with thefinial tip secured in place. The air terminal issupplied with three different finial tipconfigurations (two separate, and one secured in place), similar to that shown inphoto 1. It is important that the correctfinial tip is installed, specific to theapplication. Photo 2 shows the threedifferent finial tip sizes, ranging from sharpto blunt in dimension. The sharp tip (middle),medium tip (left) and rounded tip (right).The application of each of these tips isdetailed below:
• Sharp Tip – Terminal heights less than 20 m (65 ft)
• Medium Tip – Terminal heights less than 50 m (165 ft), greater than 20 m (65 ft)
• Rounded Tip – Terminal heights greater than 50 m (165 ft)
Note: heights listed refer to the actual terminal height above groundlevel
If required, replace the finial tip suppliedwith the appropriate tip for the application,and tighten firmly.
Warning – Do not install the ERITECH®
DYNASPHERE without installing thecorrect finial tip.
1 – ERITECH DYNASPHERE with two spare finial tips.
2 – Three (3) ERITECH DYNASPHERE finial tip sizes.
MastsThere are three main types of mastconfigurations:
• Guyed - generally required for mast heights of over 3 m (10 ft) or for climatic conditions where wind gusts may exceed 160 km/h (100 mph).Always consult with a local civilengineer if in doubt. The mast isanchored at the base and then guyed using one or two guy sets, dependingon the mast height and configuration,each with 3 lengths of non conductiveguying material.
• Cantilevered - the lower third of the mast is secured to a vertical surface to provide support. These may alsorequire guying depending on mastheight.
• Free-standing - base support only.
Ensure that the configurations andheights for your specific installationconform to the design and consultationdirectives.
Specific advice for each mast configur-ation is provided on pages 40 to 47.
When all of the components for theERITECH® SYSTEM 3000 have beenreceived, they should be checked againstthe design “Bill of Materials” and for anypossible shipping loss or damage.
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Before installation, in particular, check thefollowing:
Terminal(s)
• ERITECH® DYNASPHERE terminals havenot been dented in any way.
• The correct finial tip has been installed,based on the overall height of the air terminal above ground.
ERITECH® ERICORE Downconductor(s)
• The cable drum (if supplied) is in a serviceable condition.
• Correct length(s)
• That there is no obvious damage tothe cable.
• Is terminated as required. If the downconductor has been pretermin-ated before shipment, check that thetermination is still intact and in goodorder. See note on Page 14 onremoving protective covers.
• If the Upper Termination Kit has been supplied separately, check that the Cold-Shrink tube in the kit is in good order, has no tears or cuts and has notcollapsed.
This information along with down-conductor lengths and quantities (if more than one length on the onedrum), will be printed on a label on theside of the Cable Drum(s).
Checking Lightning Protection Components on Receipt
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Only attempt to install the ERITECH SYSTEM 3000during storm-free periods.
If the terminal must be raised before beingconnected to the ground system, or cannotbe immediately connected, then attempt toconnect the lower end of the down-conductor to either the structure steelreinforcing or some other reasonableground point.
Grounding SystemsInstallation
Prior to the installation of thelightning protection groundingsystems, it is important to refer
to site drawings of all undergroundservices to ensure that these are
avoided and not interrupted duringtrenching, excavation, boring or drivingground rods, (see figure 4 on page 11).
Care must be taken to follow theground survey design. Ensure thecorrect materials have been providedand are used to achieve an acceptableGround DC resistance (typically <10Ω).
Examples of typical grounding systems thatmay be used (Note: these may or may notbe relevant to the specific ERITECH SYSTEM3000 design) are shown in figures 2 and 3on page 10.
ERITECH® SYSTEM 3000 Installation
During the installation of the ERITECH® SYSTEM 3000, all site restrictions and safety requirements must be followed.
It is important to follow the recommended order of installation:
1. Full installation of the grounding system.
2. Full installation of the downconductor.
3. Termination of the downconductor to the grounding system.
4. Upper termination of the downconductor (may already have been completed by ERICO®) and connection to the ERITECH® DYNASPHERE air terminal withcorrectly sized finial tip.
5. Termination of bonding cable from upper termination to structure.
6. Raise mast into position and secure.
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Conductive Saddles
Lightning EventCounter - LEC IV
ERITECH® ERICORE
Copper Ground TapeTypical lengths, minimum of 5 m (17 ft). (Lengths are dependantupon soil resistivity reading) @ 600 mm (24 in.) depth or greater if required, to ensure that it is below the frost line.
Ground rods clamped or welded tocopper ground tape using CADWELD®
Ground Pit
Each trench is treated with GEM or ERITECH Enhancing Compounds
Lower Termination(Bound in WaterproofingMastic)
ERITECH ground rods clamped or welded tocopper ground tape,
using CADWELD.Lightning EventCounter - LEC IV
ERITECH ERICORE
Lower Termination(Bound in WaterproofingTape)
Copper ground tape grid5000 x 5000 mm (17 x 17 ft.)@ 600 mm (24 in.) depth orgreater if required to ensurethat it is below the frost line.
ConductiveSaddles
Ground Pit
Figure 2: Radial Ground.
Figure 3: Grid Ground.
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POWERGAS
WATERIRRIGATION
COMMUNICATIONSSEWERAGE/STORMWATER
Figure 4: Precautions required for ground pit excavation and lower termination corrosion protection.
It is advised that a ground pit is installedwhere the end of the downconductorterminates to the ground system.
This provides a convenient access point fordisconnection and future testing.
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When using ground rods it is advisable to:
• Use driving heads to prevent mushrooming on top of rod.
• Use driving heads when using coupled rods.
• Use a post or picket driver.
When bonding the grounding systemcomponents, try to use the recommendedmethods suggested below:
• CADWELD® connections must be used to provide permanent electricalbonding, corrosion resistance and mechanical strength betweenconductors, including most types of copper cable, bar, rod, tape, structural steel work, reinforcing steel and pipe.
• Supplied ground rod clamps should be used for termination of ERITECH®
ERICORE downconductors directly to ground rods. This allows later disconnection for maintenance requirements.
• Use of aluminum lugs or couplings is prohibited.
• Waterproofing mastic tape should be used for waterproofing corrosion vulnerable connections.
Ground Resistance LoweringCompounds
Ground enhancing compounds, (such asGEM) are recommended and supplied whenthe existing soil mass has a high resistivity.
These compounds can be used to increasethe total surface area of groundingconductors, thereby reducing the groundresistance / impedance.
Compounds may require water and amixing container.
When applying these compounds, be sureto take necessary handling precautions asadvised by the product instructions, andensure that the directions for use arefollowed correctly.
Insulation of GroundingSystems
In some installations, it may be necessary toinsulate part of the ground system from anarea of the surface, for the purposes ofsafety or isolation, (pedestrian walkways,proximity to other services, etc.). In thissituation, it is recommended that aminimum of 70 mm2 (2/0 AWG), insulatedcopper cable is run in PVC conduit to theconnection point (start) of the intendedground system. This conduit should be at adepth of at least 600 mm (24 in.), orgreater if required, to ensure that it is belowthe frost line to the start of the intendedground system.
Another possible design method forreducing surface step-potentials may be toinsulate the ground system for the first fewmeters of depth from the surface. This isdone by isolating the initial injection pointof the downconductor from the surface ofthe ground mass by running it through PVCconduit to the required depth beforeexposing it to the ground mass.
Bonding the LightningProtection Ground to OtherService Grounds
Where separate grounds exist eg: Structure,Power, Communications and LightningProtection, they should be bonded togetherto form an equipotential ground plane.This will eliminate the possibility of groundloops and potential differences arisingunder transient conditions.
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Authorization may be required by theparticular service providers before bondingof these grounds takes place.
Bonding cable must be 70 mm2 (2/0 AWG)minimum depending on local standards. Insome circumstances, it may be necessary touse a Transient Earth Clamp (ERICO® PartNo. TEC100C) which effectively bonds allgrounds to the same potential undertransient conditions, to satisfy serviceproviders.
For further information, it is advised thatlocal applicable standards are consulted, ieIEC 61024-1, BS 6551, AS1768, NFPA 780,C22.1-98 and NEC.
Labelling
The labelling of ground pits or groundingsystems to local requirements is theresponsibility of the customer / installer.
ERITECH®
Ground Rod
InsulatedConduit
Ground Pit
Surface Area of Isolation
DownconductorLower Termination
600 mm (24 in.) or greater to ensureit is below the frost line.
2 m (80 in.)
70 mm2 2/0 (AWG) Insulated CopperCable
Start ofGroundingSystem
Figure 5: Various methods of isolating the ground system.
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Downconductor Hauling
Locate the downconductor cable drum atthe appropriate location, (refer to figure 6).
When hauling the downconductor, use thefollowing guide points:
• Ensure that the cable drum, if supplied,is in a serviceable condition.
• If the downconductor has been upper terminated on the outside of the drum, then the downconductor must be hauledoff the drum from the ground.
• If the downconductor has been upper terminated on the inside of the drum, then the drum must be at or near thetop of the structure, so that the down-conductor can be unwound from thedrum towards the base, (see figure 6).
• When using slings or ropes to haul downconductors, use MULTIPLE hitches around the cable.
• DO NOT sling from the termination coupling or cold-shrink section of the terminated downconductor.
• DO NOT use cable stockings overTERMINATED downconductor ends.
• Protect the downconductor from abrasion and tearing when hauling over rough surfaces, at all times, especially around corners or through penetrations.
Downconductors
Depending on site requirements, the downconductor(s) may have theirupper terminations completed at a pre-specified end of the cable byERICO® before shipment. These terminations will be protected by a shortlength of flexible PVC tube.
It is VERY IMPORTANT that when removing these tubes, they are notremoved with a knife or cut in any way as this will damage the outer layerof the termination. It is suggested that the tape and cover are best removedby hand. (See figure 6)
All ERITECH® purpose-designed downconductors have a semi-conductive outersheath which is approximately 2 mm (0.08 in.) thick. Rough or careless handlingof the downconductor can damage this sheath and compromise its performance.
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Downconductor pre-terminated on the OUTSIDE end when wound on the cable drum
Figure 6: Cable pre-termination and drum locations.
Figure 7: Incorrect and correct cable hoisting methods.
INCORRECT CORRECT
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PenetrationsBefore routing the downconductor throughany penetrations, ensure that:
• If un-terminated, a minimum hole diameter of 50 mm (2 in.) is provided.
• If terminated, a minimum hole diameterof 60 mm (2 3⁄8 in.) is provided.
• Enough physical protection (conduit or similar) is provided to stop the downconductor from being damaged when being fed through the penetration.
• When feeding the upper termination of the downconductor through anypenetrations, the termination sheds(flanges) should be temporarily wrappedin insulation tape to reduce theirdiameter and protect them againstabrasion. This is very important as thecold-shrink tubes are susceptible totearing if nicked or scuffed.
If either side of the penetration requiresenvironmental protection ie: waterproofing,air-con pressure seal, etc., use a suitablesealant or deck sealing gland.
Routing
The route taken by the down-conductor is very importantand must follow these rules:
• Carefully survey the intended route of the downconductor immediately prior tothe installation to check for anyalterations that may effect the originaldesign, ie: structural changes, newantenna or mast installations, airconditioning towers or ducting, etc.
• Use the most direct route practical to minimize the downconductor length.
• To minimize the risk of side-flash, DO NOT route the downconductor backbeside itself after change of direction, ie: 180º.
• Minimize number of bends.
• Minimize strain on the downconductor during installation.
< 2000 mm (80 in.)
Radius
< 500 mm
(20 in.)
Figure 8: Correct & incorrect cable routing methods.
INCORRECT CORRECT INCORRECT
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• Ensure bend radius maintained >500 mm(20 in.).
• Parallel routing with other services - Minimum separation = 2 m (80 in.). Try to isolate as much as possible from other services.
• If the downconductor must cross other services, ensure that it crosses at right angles to minimize any inductive effect.
• The lower end of the downconductor must terminate as close as possible to the initial injection point of the grounding system.
• Allow 500 mm (20 in.) of slackin the length of downconductorat the upper end of the cable to
facilitate mast erection and correctseating of the ERITECH® DYNASPHEREterminal in the top of the FRP mast.
• Where isolation of the downconductoris required, (for physical or proximitysafety reasons) install the cable in asuitable insulating conduit with aminimum wall thickness of 3 mm (1⁄8 in.).
NOTE: This is the only time that the downconductor should be isolated from thestructure and generally only for 2.4 m (8 ft.)maximum. DO NOT route the entire lengthof downconductor in insulated conduit.
CO
MM
UN
ICA
TIO
NS
/ P
OW
ER
Figure 9: Correct & incorrect cable routing.
CORRECT
INCORRECT
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• To seat the terminal correctly in the topof the FRP mast, any cable slack will haveto be removed from the mast while also minimizing any stress on the upper termination sheds (flanges) by twistingthe FRP mast against the terminal for atleast one turn.
If the downconductor is damagedduring installation, it must bechecked by an ERICO®
representative to see if the damage willeffect its safe operation.
Securing the Downconductor
Securing of the down-conductor not only providesa mechanical attachment to
the structure, but also an Electro-static connection to the structure viathe semiconductive outer sheath ofthe downconductor cable.
It is important that the down-conductor is both physically andelectrically secured to the entirelength of the structure to relieveboth physical and electrical stressesalong the downconductors’ length.
The electrical bonding of the down-conductor is especially important forat least the first 10% of the down-conductor route from the uppertermination, and for this reason thedownconductor must be secured atleast every 1 m (40 in.).
ERITECH® brand of saddles andconductive clamps arerecommended for the purpose
of securing the downconductor. These have been specifically designed andmanufactured to mechanically secure andelectrically bond the ERITECH® ERICOREto the structure, while minimizing stresspoints on the cable.
Use of a brand of saddles other thanERITECH can compromise the outer sheath,creating high stress points which can lead to flashover, (see figure 10).
Use ERITECH clamps only
Figure 10: Detail shows the need to use ERITECHClamps.
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• For brick and concrete walls or roofs, use the ERITECH® brand of stainless steel saddles. These have two 6 mm (1⁄4 in.)diameter holes on either side and aresuitable for use with masonry anchors. These saddles can also be used with othersuitable fastenings against wood, fiberglassand metallic surfaces.
• When securing externally to round sectionstructures such as pipes, tower legs, masts, etc, stainless steel cable ties are recommended. Ensure that these are firmly secured.
• For securing to other structures such as angle iron, ie: radio towers, structural beams etc., use CADDY® brand of beam clamps and suitable cable clamps from ERICO®.
• If the downconductor is to be routed above a false ceiling, ensure that it is fixed to the underside of the concrete floor slab.
• Use of exothermic fastening methods on ERITECH brand of saddles is NOT recommended.
• Use of CADDY® ERISTRUT (or other similarstrut system) is recommended wheresuitable, (see figure 11).
Use of Mast or ConventionalCable as the Downconductor
In some installations, the mast may be usedas the downconductor or alternatively, inshort-run installations, conventional cable issometimes used. In these cases, a TerminalLug Coupling Adaptor will be supplied toallow a lugged 50 mm2 (1/0 AWG) or 70mm2 (2/0 AWG) (depending on localminimum standards) cable termination to thebase of the ERITECH® DYNASPHERE, (seefigure 12).
L.P. TerminalBase
50 mm2 (1/0 AWG)/70 mm2
(2/0 AWG) minimum downconductor(or as per local standards)
M10 Bolt
Lug Coupling
Lock Screw
Use of CADDY® ERISTRUTto anchor downconductorwith S/S cable ties
Figure 11: Downconductor anchored to strut.
Figure 12: Lug Coupling for non-ERITECH®
ERICORE downconductors.
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Structure bondingcable connectedto structural steel
4.6 m (15 ft.)FRP Mast
Figure 13(a): Cantilevered FRP section on building. Figure 13(b): Cantilevered FRP section on Radio Tower.
Labelling
Vital Warning Labels must be located ateye level:
• Where there is the possibility of personnel being in close proximity to the cable.
• Where the downconductor terminatesto the grounding system.
• At the mast base.
There is a VITAL WARNING LABELsupplied in the front cover of this manualand also one supplied in each of theupper and lower termination kits.
If more labels are required, contact yournearest ERICO® Distributor.
Structure Bonding Braid
To help ensure that the upper end of thedownconductor can be adequately electricallybonded to the structure, a Structure BondingBraid has been provided at the base of the uppertermination of the downconductor. This Braid is a 75 mm (3 in.) tail which exits from under thetermination coldshrink and is supplied with aconnector to allow connection to a 6 mm2
(8 AWG) copper cable (as mentioned in thefollowing text). This must be connected to aconductive structural point to relieve the electricalstresses on the downconductor and masonrysurfaces.
The use of the Structure Bonding Braid is NOT optional, and MUST always be used.
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After routing the downconductor,it must be kept in constant physicalcontact with the structure viaconductive fixings as follows:
• The top 10% of the downconductorfrom the terminal must be secured atleast every 1 m (40 in.). This includesmetallic mast sections.
• The lower 90% of the downconductor must be secured at least every 2 m (80 in.).
• This includes routing inside any type of conductive pipe or conduit, (see Fig. 17).
When using metallic lowersections of mast (ie: aluminum),then the downconductor MUSTbe secured with ERITECH® brandof saddles to the mast at 1 m (40 in.) intervals (max.). The mastin turn must be electricallybonded to the nearest conductivestructural point. In this case, thestructure bonding braid mustconnect to the inline coupling, (see Fig. 14).
ERITECHSaddles at
1 m (40 in.) intervals(max.)
Aluminum MastERITECH®
ERICORE
To nearest conductivestructural point (steel
work, concretere-inforcing, etc)
Figure 14: Connection of Structure BondingBraid in FRP and F.S. masts.
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Structural Steel Work To upper terminationkit bonding braid or mast base
CADWELD®, bolted, orother suitable electricallybonded method
Figure 15: Connection of bonding cable to structural steel work.
Structure bonding cableCADWELD, bolted, orother suitable electricallybonding method
To upper termination kit bonding braid or mast base
Reinforcing Steel
Concrete Panel
Figure 16: Connection of bonding cable to concrete reinforcing.
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The 6 mm2 (8 AWG) copper cable used toconnect the Structure Bonding Braid to thestructure must be one continuous length.Joins in this cable would represent apotential maintenance issue.
Any metallic surfaces that the down-conductor may be secured to, if possible,should be electrically connected to thestructural steel work.
Also, when using a metallic mast (ie: freestanding light pole), the Structure BondingBraid must be connected to the top of the
metallic mast using 6 mm2 (8 AWG)insulated copper cable, (see figure 17).
To bond the downconductor inside aconductive mast pipe or conduit, secure two stainless steel cable ties around thedownconductor at every 1 m (40 in.) or at 2 m (80 in.) intervals with their tails left on,alligned at 180° to each other so that when fed into the pipe, they maintaincontact with the inside wall of the pipe,(see figure 17).
Metallic mast pipe or conduit
Downconductor
2 x stainless steelcable ties at 180°with tails left on
1 to 2 m (40-80 in.) intervals as appropriate
Freestanding metallicmast where
downconductorcannot be securedto inside of mast
Structure bondingcable attached to
top of freestandingmast
Figure 17: Electrical bonding of downconductor within metallic mast section or pipe.
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The downconductor has beenspecifically designed to copewith extremely high impulse
voltages and currents. Due to the natureof the downconductor construction, andits working environment, it is VeryImportant that each step be followedand carried out exactly as per thefollowing instructions.
The downconductor can be lugged, (asdetailed overleaf) and then connected to theground rod using the ground rod clamp, oralternatively, it can simply be connected tothe ground rod using only the ground rodclamp.
Terminating the ERITECH® ERICORE Lower End
Instructions for ERITECH ERICORE Downconductor
Tools required for Terminating Lower End of ERITECH ERICORE
1. Sharp Knife2. Tape Measure3. Flat Blade Screwdriver4. Hacksaw5. 150 mm (6 in.) Adjustable Spanner / Wrench6. Roll Spring - (supplied with Upper Termination Kit)7. Insulation Cutting Tool - (supplied with Upper Termination Kit)8. Crimper (90 mm2) (only required if the cable lug is to be used)
The Lower Termination Kit Consists of:1 x Hose Clamp1 x 90 mm2 Lug1 x 2.5 mm2 x 105 mm (12 AWG x 4 1⁄8 in.) Bare Copper Wire1 x ‘U’ Bolt type Ground Rod Clamp (13-15 mm, 1⁄2 - 5⁄8 in. Rod Diameter.)1 x Water Proofing Mastic1 x Vital Warning Label2 x Rubber Gloves1 x Instructions
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Refer to Figure 18 for the followinginstructions (1 to 10).
1. With the hacksaw (or appropriatecutters), cut the downconductor cable tolength, leaving enough cable to be able toeasily and directly route it to the groundtermination.
2. At a distance of 100 mm (4 in.) from the end of the cable, carefully cut a shallownotch into the black outer insulation, nodeeper than 1 mm, ( 3⁄64 in.). Using theinsulation cutting tool, cut around thecircumference of the black outer insulationuntil the copper screen underneath isexposed.
Important! The insulationcutting tool uses friction to cutinto the sheath and is less likelyto damage the layers under-neath than using a knife.
3. Use a knife to carefully cut along the 100mm (4 in.) length of black outer insulationto a depth of no more than 1 mm. (3⁄64 in.).Be careful not to cut too deeply so that thecopper layer underneath is not exposed ordamaged. Starting from the end of thecable, carefully remove the outer insulationand discard.
4. Carefully clean up the insulation frictioncut, removing any burrs for a neat finish.
5. Fit the roll spring 15 mm ( 5⁄8 in.) from theend of the outer insulation over theexposed copper tape (roll spring suppliedwith upper termination kit).
6. Remove the copper tape up to the rollspring (exposing black triple extrusionlayers) by unrolling, then tearing the tapeup and back over the edge of the roll springat about a 45º angle. If necessary, cut about6 mm ( 1⁄4 in.) of the copper tape up againstthe roll spring with a knife and then tearover the spring.
7. Wrap one end of the 2.5 mm2 x 105 mm(12 AWG x 4 1⁄8 in.) bare copper wire(supplied with the kit) around the hoseclamp, then fix the hose clamp over theexposed copper screen of the down-conductor and tighten with a screwdriver.
8. At 85 mm (3 3⁄8 in.) from the end of the cable, carefully cut around thecircumference of the black triple extrusionlayers with a knife, then, from the first cut,along the length of the insulation to theend of the cable. Remove the layers anddiscard.
85 mm (33/8 in.) 15 mm (
5/8 in.)
Copper Strandsand Double Tape Layer
Copper Tape Black Outer Sheath
Copper Tape Black Outer Sheath
Compression Lug
2.5 mm2 Copper Wire Hose Clamp
Copper Strands andDouble Tape Layer
Figure 18: Stripping lengths downconductor.
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9. Lay back all of the copper strands andtape cut off the filler core with a hacksaw or knife as close to the strands and tape aspossible without damaging them. Lay thecopper strands and tape neatly anduniformly back in place.
10. If using the compression lug, combinethe end of the 2.5 mm2 (12 AWG) barecopper wire from the hose clamp with thedownconductors’ copper strands and thenfit ALL conductors into the 90 mm2 lugsupplied with the kit. Make sure that it isfitted correctly before crimping with an appropriate crimper.
11. Securely connect the lugged down-conductor to the grounding system.
12. If the ‘U’ bolt ground rod clamp (orother method) is to be used, then ensurethat the 2.5 mm2 (12 AWG) bare copper
wire from the hose clamp is bonded withthe final grounding connection and all ofthe other downconductor copper strandsand tape. Then securely tighten the wholeconnection.
Note: The ground rod clamp supplied in thiskit must be tightened to 44Nm (32 lbf.ft.).
13. Make sure the lower termination is freeof moisture. Using rubber gloves, shape thewaterproofing mastic (supplied) around allof the exposed areas of the lowertermination.
Note: Depending on the environment of thelower termination, it may be necessary towrap a sealing tape or mastic around thewaterproofing mastic to stop it from dryingout over time.
CopperBus Bar
2.5 mm (12 AWG)Copper Wire
Hose Clamp
To Grounding System
CompressionLug
ERITECH ERICORE
Copper Tape
ERITECH®
ERICORE
Ground Rod
Rod Clamp
Lower termination shown connected to rod with clamp
Lower termination shown lugged and bolted to bus bar within enclosure
LEC IV
Entire lowerterminationto be bound
in waterproofingmastic
System 3000
Figure 19: Termination to bus bar and ground rod.
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It is important to cover allexposed metallic surfaces(copper, hose clamp, lug,ground rod clamp, etc.) Toavoid the risk of corrosion.
14. Place the ‘VITAL WARNING’ label(supplied in the kit) in a suitable place nearthe downconductor.
Note: If an upper termination hasalready been performed on the cable,then start with STEP 23 on page 37.
ERITECH® ERICORE down-conductor cable has beenspecifically designed to copewith extremely high impulsevoltages and currents. Due tothe nature of the cableconstruction, and its workingenvironment, it is very importantthat each step is followed andcarried out exactly as per thefollowing instructions.
The special insulation cutting tools havebeen supplied to facilitate the cutting of thecable’s insulation layers, while preventingdamage to other layers, such as the copperfoil.
Downconductorlower terminationbound inwaterproofingmastic
ERITECH®
Ground Rod
LEC IV
Ground Pit
System 3000
Figure 20: Completed termination for downconductor.
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Terminating the ERITECH® ERICORE Upper End
Instructions for ERITECH® ERICORE Downconductor
Tools required for terminating upper end of ERITECH® ERICORE
1. Sharp Knife2. Tape Measure3. 2 x 375 mm (15 in.) Shifting Spanner / Wrench4. PVC Electrical Tape5. Roll Spring - supplied with termination kit6. Insulation Cutting Tool - supplied with termination kit
The Upper Termination Kit consists of:1 x Coldshrink Tube (red) 1 x Vital Warning Label 1 x Mastic Tape1 x ERITECH ERICORE Coupling 1 x Structure Bonding Braid 1 x Instructions
(4 pieces when dismantled) 1 x Insulation Cutting Tool 1 x Crimp Lug1 x Silicone Tape - 1.3 m (93 in.) 1 x Semi Conductive Tape 1 x Roll Clip
Photo 2: Contents of upper termination kit and the tools required to complete the termination procedure.
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Photo 3: Use of the insulation cutting tool to cut the insulation without damaging the layers beneath.
The Insulation Cutting Tool usesfriction to cut into the sheath and is less likely to damage the layersunderneath than using a knife. Whenthe instructions call for the knife to beused, be sure not to cut any deeperthan instructed.
If the instructions are not followed correctly,or if any of the insulation layers or thecopper foil are incorrectly cut, then theintegrity of the lightning protection isaffected.
Refer to Figure 21 on page 36 for thefollowing instructions (1 to 11).
1. At a distance of 600 mm (23 5⁄8 in.) fromthe end of the cable, carefully cut a shallownotch into the black outer insulation nodeeper than 1 mm, (3⁄64 in.). Then, using theinsulation cutting tool, cut around thecircumference of the black outer insulationuntil the copper screen underneath isexposed.
2. Using a knife, carefully cut the outerinsulation of the cable to a depth of nomore than 1 mm (3⁄64 in.), for the full 600 mm (23 5⁄8 in.), in the direction of theend of the cable. Be sure not to cut so deepas to expose or damage the copper layerunderneath. Starting from the end of thecable, carefully remove the outer insulationand discard.
3. Carefully clean up the friction cut,removing any burrs for a neat finish.
4. Fit the roll spring 20 mm (6⁄8 in.) from theend of the outer insulation over the exposedcopper tape.
5. From the end of the cable, remove thecopper tape up to the roll spring, exposingthe black semi-conductive material byunrolling, then tearing the tape up and backover the edge of the roll spring at about a45˚ angle. (If necessary, carefully cut about 6 mm of the copper tape up against the rollspring with a knife and then tear over thespring).
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6. Carefully remove the roll spring, thentape up the last 6 mm (1⁄4 in.) of the coppertape with a piece of PVC tape, to stopfurther unravelling.
7. Clean and degrease the outer sheath fora distance of 100 mm (4 in.) from the cutposition. Using slight tension, wrap onelayer of sealant tape (red) around the blackouter insulation with a small overlap of 5 mm (1⁄5 in.) over the copper tape screen, (see photo 5).
8. Place the structure bond braid over thecable so that it sits over the copper screenand up against the sealant tape (red).Ensure that the braid loops are tight aroundthe copper screen. Tape the bond braid intoplace with PVC tape, (see photo 6).(Ultimately, this braid may require electricalbonding to the structure.)
9. At a distance 70 mm (2 3⁄4 in.) from the
end of the cable, carefully cut a notch intriple layered insulation no deeper than 1 mm (3⁄64 in.). Then using the insulation-cutting tool, cut around the circumferenceof the triple layered insulation until thecopper underneath is exposed.
10. With a knife, carefully cut along the 70 mm (2 3⁄4 in.) length triple layeredinsulation of the cable to a depth of no morethan 1 mm (3⁄64 in.). Be sure not to cut toodeep, as to expose or damage the copperlayer underneath. Starting from the end ofthe cable, carefully remove the triple layeredinsulation and discard.
11. Remove one release foil from the stresscontrol patch (green) and apply it level withthe outer insulation cut, against the redsealant tape, (see photo 7). Wrap the entirepatch around the cable as shown andremove the release foil during installation.Avoid air pockets, wrinkles or creases.
Photo 4: Using the roll clip to cut and remove the copper screen.
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12. Wrap one layer of sealant tape (red)with a small overlap and slight tension overthe braid wire and previously appliedsealant tape, below and level with the(green) stress control patch, (see photo 8).
13. Take apart the ERITECH® ERICOREcoupling, ensuring there are 4 pieces.There should be:
• A Compression Nut• A Compression Ring• A Compression Cone• A Main Coupling Piece
14. Place the compression nut andcompression ring of the coupling set overthe strands and copper tape layer. Checkthe order and orientation of the nut andring against Figure 22 on page 36.
15. Unwrap the material double tape layerback to the compression ring. Place thecompression cone between the filler coreand the copper strands as shown in Figure22. The cone should be “pushed on” untilit is flush with the end of the filler core.Neatly form the copper strands back overthe cone in their original order.
Photo 6: Bonding braid secured in place.
Photo 5: Red sealant tape applied over overlap.
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16. Rewrap the outer double layer ofcopper tape into place over the copperstrands. Push the compression ring backup over the wrapped copper strandsand up against the cone, (see figure 23on page 36).
17. Fit the main coupling piece fromthe coupling set carefully over the endof the cable ensuring the cable ispushed up as far as it will go into thecoupling. Ensure the copper strands arekept in place and order. Screw thecompression nut into the coupling pieceand tighten, using the correct sizespanners / wrenches.
18. At a distance of 100 mm (4 in.)from the end of the cable, wrap onehalf-lapped layer of semi-conductivetape around the triple layer insulationwith an overlap towards the coppertape / copper strand center conductorup to, but not over, the compressioncoupling.
Photo 7: Applying the stress control patch. In line withinitial outer layer cut and over the bonding braid.
Photo 8: Apply the sealant tape below the stress control patch.
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19. Loosening Termination
This operation is vital to the simpleinstallation of the product.
There are two terminations in this kit, (one with three sheds, the other with five).Loosen both in the manner shown opposite.Install the five shed termination first.
Hold the termination in one hand and theholdout in the other. Gripping firmly, twistthe termination and holdout in oppositedirections. Repeat twisting the terminationand holdout, moving the hand in shortincrements up the termination until theentire termination is felt to move on theholdout. Slide the termination until it linesup with the end of the holdout tube asshown. Note: Take care not to slide thetermination off the end of the holdout.Stop the termination about 1⁄4” (6 mm) fromthe end of the holdout.
20. Installing the termination.
Position the holdout over the cable until it meets the jacket cutback. Twist thetermination and slowly push it to the end of the holdout.
Slide the termination off the holdout with atwisting motion, holding the terminationthat is on the holdout in one hand andpulling the holdout with the other.
Note: Do NOT stretch the termination.
Do NOT hold the termination that ispartially installed and attempt to pull theremaining termination off the holdout, asthis will stretch the termination andgenerate an improperly installed terminationif not repositioned.
Using the pull tabs, pull the flip-backportion away from the main termination, atthe same time working the first two fingersof each hand between the flip-back andmain termination. Pull the stretched out flip-back over the cable jacket and sealant.
Make sure the termination length is inaccordance with the dimensions shown.
Having positioned the termination, nowwrap one layer tape sealant (red) over theend of the termination and 1⁄4” (6 mm) ontothe cable insulation as shown.
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21. Installing the termination (continued).
Slide the three-shedded termination over the cable until it meets the leading edge of thesealant strip as shown. Twist the termination and slowly push it to the end of the holdout.
Using the pull tabs, pull the flip-back portion away from the main termination, at the sametime working the first two fingers of each hand between the flip-back and main termination. Pull the stretched out flip-back over the sealant.
Slide the termination completely off the holdout using a twisting and pulling motion as shown.
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Figure 21: Cutting dimensions
600 mm (23 5/8 in.)
380 mm (15 in.)20 mm
(6/8 in.)70 mm (2 3/4 in.)
COPPERCONDUCTOR
COPPER STRANDS ANDDOUBLE TAPE LAYER
TRIPLE LAYEREDINSULATION LAYER
PVC TAPE TO STOP COPPER TAPE FROM UNRAVELLING
COPPERTAPE
BLACK OUTERSHEATH
COMPRESSION CONE COMPRESSION RING
COMPRESSION NUT
FILLER CORE (BLACK)
COPPER STRANDS SPLAYED OUT TO ALLOW FITTING OF COMPRESSION CONE
DOUBLE COPPER TAPE LAYER
Figure 22: Positioning the compression coupling.
Figure 23: The termination coupling is fitted to the downconductorready for the main coupling body to be fitted.
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Photo 11: Installed compression coupling.
The coupling must be tightenedusing spanners / wrenches, astightning by hands will not beadequate.
22. Using the roll of silicone tape (grey),overwrap half layers from 20 mm (3⁄4 in.)over the end of the coldshrink to 30 mm (1 1⁄8 in.) over the coupling so that it coversthe joint between the main coupling andcompression nut, (refer to figure 24 onpage 39).
Wrap with moderate tension (10 to 100%stretch). Apply one final layer with nostretch. Press down, to avoid the end liftingbefore fusion of the tape takes place.
The finished termination must beprotected against any abrasionand sharp edges during transportor installation, as the coldshrinktubes are susceptible to ripping ortearing if nicked or scuffed.
23. The structure bonding braid MUST beelectrically connected via a 6 mm2 (8 AWG)length of insulated copper cable to the
specified conductive structural point, asdescribed in the ERITECH® SYSTEM 3000Installation, Operation & MaintenanceManual.
Connecting the ERITECH® DYNASPHERE
24. Feed the downconductor (and structurebonding cable) through the FRP mast sothat the entire termination is protrudingfrom the top of the mast. Remove the lockscrew in the base of the ERITECH®
DYNASPHERE terminal, then screw theterminal all the way onto the terminationcoupling thread. Replace the lock screwback into position so that it locks the threadinto place and will stop the terminal fromunscrewing.
25. Carefully pull the downconductor (andstructure bonding cable) back downthrough the FRP mast so that the terminalbase sits correctly in the top of the mast.Twist the FRP mast at least one completeturn at the base of the terminal to removeany stress on the termination sheds (flanges)and to seat the terminal correctly.
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Note: It may be necessary to pull back any slack of ERITECH® ERICOREdownconductor through the FRPsupport mast to achieve a properlyseated fit for the ERITECH®
DYNASPHERE.
The ERITECH DYNASPHERE must notbe skewed and the base of theterminal must be fully inserted intothe top of the mast.
26. Connect the 6 mm2 (8 AWG) structure bonding cable as detailed in theERITECH® SYSTEM 3000 Installation,Operation and Maintenance Manual. Afterbonding the cable, ensure that theconnection is waterproof and resealed ifrequired.
27. Place the Vital Warning Label in aprominent position at the base of the mast,or beside the downconductor at eye level, ifthe installation is in an area where it ispossible for persons to gain access.
These termination proceduresshould be strictly adhered tosince an incorrect terminationwill result in failure of thesystem.
Photo 12: Completed termination.
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Photo 13: Once the ERITECH® DYNASPHERE has beenfitted to the termination coupling, ensure the lockingscrew is tightened securely.
30 mm(1 1/4 in.)
40 mm(1 1/2 in.)
20 mm(3/4 in.)
DOUBLE WRAP SILICON TAPEHALF LAPPING OVER ENTIRE LENGTH - ENSURE TAPE COVERS JOIN IN COUPLING
Figure 24.
Photo 14.
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Terminals
Once the terminal has been checked andfound to be in an acceptable condition forinstallation, it can be attached to theterminated downconductor as shown in theUpper Termination instructions on page 37.
Please note, the serial number of each unitwill have been recorded in the Certificate OfCompliance (inside back cover) in thismanual.
Masts
The selected mast configuration chosen must:
• Elevate the terminal to the required height as determined by the design process (minimum height of 3 m (10 ft.) above the highest point of the structure).
• Include a minimum of 2 m (81 in.) of insulated mast material (FRP) immediately below the air terminal.
• Be suitably rated for local weather conditions. It is advisable that guidance from a local civil engineer be sought.
• Be securely attached to the selected mounting point(s).
• Be guyed if applicable.
Terminals and Masts
If the lower section of themast is conductive, ie.aluminum or galvanizediron; then:
• It must be electrically bonded to the nearest conductive structural point. This may be eitherstructural steel work or concretereinforcing. Refer to page 20 fordetails.
• The downconductor must be secured to the mast at 1 m (40 in.) intervals (max.).
Three basic types of mast configurationinclude:
Guyed
• Single length guyed - one section of FRP (Fiberglass Reinforced Plastic) mast material guyed at the top.
• Double length guyed - two sections of mast material, usually aluminum lowerand FRP upper, guyed between the twosections and at the top.
CantileveredUsed in situations where it is more practicalto mount without a base, eg: radio towers.
• At least one third of the lower mast should be secured against the structure.
• Cantilevered masts can either be free standing or guyed for extra stability.
FreestandingOften used where the terminal, down-conductor and grounding system areisolated from volatile areas by installing theERITECH® SYSTEM 3000 at least 5 m (17 ft.)away from those areas.
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Before the installation of the mast, ensurethat:
• The free standing mast is supplied withan appropriate spigot, suitable for either internal or external mounting of the FRP mast.
• Downconductor is to be routed internallyor externally.
• Provision for external or internalmounting of LEC IV and access.
• Downconductor is able to exit throughthe base of the free standing mast.
The free standing mast requirements forfoundations and erection are generallyhandled by the mast manufacturers.
Mast Bases
ERICO® supplies a range of aluminum basesto suit:
• ERITECH® brand of FRP masts (aluminum base with an internal mast spigot).
• Aluminum masts (welded directly onto the required length of mast).
Both base types have downconductor exit holes in the base, required if thedownconductor is to be routed inside of themast. They also have identical mountinghole dimensions which are shown overleaf.
1.5
m (
5 ft.)
4.6 m (15 ft.) FRP (1/3 of Mast Mounted to Structure)
ERITECH DYNASPHERE
Comms Tower
Inline Coupling
2.0 m (81 in.) FRP
ERITECH® DYNASPHERE
AluminumMast
2.0 m (81 in.) FRP
Free StandingMast
StorageTank
ERITECHDYNASPHERE
5 m (17 ft.)
Figure 25: Guyed, Cantilevered and Free Standing Mast examples.
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If an aluminum mast and baseare used and can not bedirectly attached to thestructural steel work, or areanchored to a concrete roof,then they need to be directlyelectrically bonded to theclosest structural steel work orconductive structural point.Refer to page 20.
Mast Couplings and GuyingPoints
There are two different methods ofcoupling two sections of mast:
1. The U-Bolt set, which uses two stainless steel U-bolts to clamp the two sectionsof mast together, (see figure 28).
2. The Inline Coupling is designed to fit between the upper and lower sectionsof the masts and also provides threeguying anchor points, and, a down-conductor exit point if required. Themaximum mast diameter that the InlineCoupling is able to clamp onto is 70 mm(2 7⁄8 in.) OD.
On both the U-Bolts and Inline Couplings, the nuts must notbe tightened to any more than 55kg/cm (45 in.lb).
Additional guying isrequired at the top of 4.6m (15 1⁄2 ft.) FRP masts (ifnot mounted in acantilevered fashion). AGuying Ring is supplied forguy anchor points. This isinstalled between theERITECH® DYNASPHEREterminal and the top of themast, (see figure 27).
Figure 26: Base and mounting dimensions.
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FRPMast
Guying Ring fittedbetween ERITECH® DYNASPHERE & FRP Mast
ERITECH®
DYNASPHERE
Insulated Guying
Figure 27: Use of Guying Ring.
4.6 m (15 ft.) FRP
ERITEECH®
DYNASPHERE
U Bolts
5 m (17 ft.)Aluminum Mast
U Bolts
Figure 28: Use of U-Bolts.
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Guying
ERICO® has standard 4 m (13 1⁄2 ft.) and 7 m(24 1⁄2 ft.) Guying Kits. If the guying of afiberglass mast is required, then theappropriate guying kit should be selected tosuit the application. The guying material ismade up of light weight plastic coatedfiberglass, which is non-conductive.
If a customized guy kit has been supplied,then the actual guy length can bedetermined from the following:
Guy Length = 1.41 X
Where X = the vertical height between theupper and lower guying points and theassumed angle from horizontal is 45˚.
Important recommendations:
• When guying any mast, it is advisable that the guying angle be no greater than60° from horizontal.
• It is recommended that 8 mm (5⁄16 in.) diameter stainless steel guying saddlesare used for the base guy anchor points.If these are to be anchored to a concretesurface, then 6 mm (1⁄4 in.) diameter x40 mm (1 5⁄8 in.) depth (minimum)masonry anchors or similar should beused.
• Each of the guying kits comes with six stainless steel thimbles to relieve stresson the guys at the anchor points. These thimbles MUST be used when guying, (see figure 29).
• When using shackles (5 mm (3⁄16 in.) minimum), ensure that the shackle pins are secured with nichrome wire.
When securing the fiberglass guys, use theguying grips supplied in the guying kit,carefully following the instructions provided.Use of alternative wire rope grips isacceptable but ensure that:
• Grips are made of a suitable material to PREVENT corrosion.
• There are a minimum of 3 grips per guy end.
• Grips are spaced at a minimum of 30 mm (1 1⁄4 in.) on guys (or 6 x guydiameter).
• Grips are correctly orientated - grip base (saddle) on the ‘Live’ side of the guy and ‘U-bolt’ over the ‘Dead’ side or tail of the guy.
• No more than 60 cN.m (5 lbf.in) of torque is applied to the grip.
The above recommendations should also beused for any other guying, ie: stainless steel,when used on any mast.
GUY KIT SPECIFICATIONS
Guying Kit Guy Diameter Actual Guy Guy Tensile Length Strength
4 m Guy Kit 4 mm - 5/32 in. 6 m - 20 1/2 ft. 430 Kg - 946 lb
7 m Guy Kit 5 mm - 3/16 in. 10 m - 34 ft. 560 Kg - 1232 lb
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Raising of Mast
When ready to raise the mast, check thefollowing:
• Guys to the inline coupling, guying ring or other mast anchor points are properly secured.
• Ensure the guys are not twisted, kinkedor damaged in any way.
• Ensure that each guy can be easilysecured at the base when the mast hasbeen raised.
Turnbuckles or rigging screws are recom-mended at the base anchor points of theguys to enable easy vertical alignment ofthe mast and correct tensioning of the guys.If using turn-buckles, ensure that they arewired securely with nichrome wire.
Using conductive guying, such as stainlesssteel, is acceptable as long as it is NOT usedfor guying to the top of sections ofinsulated FRP mast. Guying to the top of analuminum section of mast is acceptable.
Remember to always Plan the Liftbefore attempting it.
If the mast is to be raised by hand, ensurethat it can be safely and easily managedmanually.
It is recommended that the use of a craneor other suitable equipment be used foranything over 6 m (20 ft.) in height, or forhazardous area installations such as highelevations (towers).
To minimize the possibility of the mastbecoming bent or damaged, it is veryimportant to keep the mast straight duringthe lift.
Ensure that:
• There are no overhead AC power lines.
• There is nothing overhead that will obstruct the lift.
• There is enough man-power available to safely conduct the lift.
• There is only ONE person in control ofthe lift.
Thimble
Fiberglass "Dead" End
"Live" SideSaddle Base on "Live" End
30 mm (1 1/4 in.) 30 mm (1 1/4 in.)
Minimum spacingbetween Saddles
Figure 29: Correct methods of guying.
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• Everyone involved in the lift knows what has been planned and how the lift is tobe performed.
• The mast is securely footed and cannot move out of control during the lift.
• Any guying has been properly secured at the mast anchor points.
• The downconductor has been correctly terminated and the structure bonding cable has been attached to the termination.
• The downconductor can not be damagedat the base of the mast while lifting, ie: ifthe cable exits from the mast base itmust be protected and not used as thepivot point for the mast. Maintain aminimum bending radius of 500 mm (20 in.).
• The mast can be easily and safely secured at the base and guying points immediately after it has been lifted into position.
• Any extra rigging that is required for the lift only, can be removed after the mast is in place.
It may be necessary to use a gin polearrangement to assist when lifting the mast,especially if the mast is over 6 m (20 ft.) inheight or it is being lifted from a slopingsurface (typical arrangement shown below).
When using a crane to lift the mast intoposition, ensure that:
• The crane has enough weight and height capacity to safely do the job.
• There is nothing overhead that will obstruct the lift.
Removable gin pole and associated rigging
Secure guying
Beware of any overhead power lines or other obstructions
Ensure the base will not slip during the lift
Protect the ERITECH® ERICORE from abrasion
during the lift
Attach structure bonding braid
Figure 30: Removable gin pole to assist raising the mast.
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• Any guying has been properly secured atthe mast anchor points.
• The downconductor has been correctly terminated and the structure bonding cable has been attached correctly.
• The ERITECH® DYNASPHERE terminal is NOT used as a slinging point.
• When slinging the mast, ensure that the slings or ropes can not foul the ERITECH DYNASPHERE terminal.
• When lifting the mast, the down-conductor is tied off to the mast as wellto remove any strain on the down-conductors termination to the ERITECHDYNASPHERE terminal.
• The downconductor can not bedamaged at the base of the mast whilelifting (maintain a minimum bendingradius of 500 mm (20 in.)) or can not bedamaged as a result of dragging overrough or sharp surfaces during the lift.
• Any extra rigging that is required for the lift only, can be removed after the mast is in place.
• The mast can be easily and safelysecured at its base and guying pointswhen it is lifted into position.
Do not slingat base ofterminal
Do not lift with more than 5 m (17 ft.) ofdownconductorhanging frommast withouttying off tomast.
Stress removed from upper termination by securing downconductor to lower mast with flat webbing or otherappropriate sling.
Slung atmultiple points
Max 5 m(17 ft.)
Figure 31: Incorrect and correct hauling methods.
CORRECTINCORRECT
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Lightning Event Counter (LEC)
The LEC IV can be mounted at any point onthe downconductor or at the injection pointof the grounding system.
Refer to the instructions supplied with theLEC IV when installing the unit.
When mounting the LEC IV, ensure that:
• It is mounted in a secure area that is not prone to contact with moving objects, theft or vandalism.
• It is not mounted in an area that is prone to flooding.
• If the LEC IV is mounted vertically and isto be encased in a separate enclosure,ensure that the display can be easilyviewed.
LEC IV shown mounted
in an enclosure
Clear window
Counter
Protective enclosure
System 3
Figure 32: LEC IV in protective enclosure with clear viewing window, foreasy counter reading.
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Long Lengths of ERITECH® ERICOREDownconductor
Most installations can be conducted with asingle ERITECH® ERICORE downconductorcable as described earlier in this manual.However, where the installation involves along single length of ERITECH® ERICOREcable, additional measures may need to betaken to help ensure that the voltage buildup on the cable during a lightning strikewill not be excessive.
Before considering these measures, itneeds to be determined if the cable is toolong to run in a single uninterruptedlength. The flowchart in Figure 33 allowsthis to be determined. Starting with theproposed ERITECH® ERICORE length asindicated in the LPSD design, follow thechart to the appropriate outcome. If a sin-gle length of ERITECH ERICORE is accept-able, no further consideration is required.
• A single length of ERITECH ERICORE is acceptable.• No additional action is required.
• Additional measures ae required.• Read on further in this section.
Result• The level of lightning activity at the installation site needs to be considered
Result• Additional measures are required• Read on further in this section
Between 67 m and 87 m
Greater than 87 m
Proposed ERITECH® ERICORE length
Determine the thunderday level at the proposed installation site.
Less than 67 m
Result• A single length of ERITECH ERICORE is acceptable• No additional action required
YESNO
Cable length exceeds the value shown in the table, or on the
thunderday level for the proposed site is not known?
Thunderdays
203040506080
100
Maximum Cable Length
87 m79 m75 m72 m70 m68 m67 m
Figure 33: Determination of maximum single ERITECH ERICORE length.
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However, if the result indicates that additional measures are required, then asingle uninterrupted length of ERITECH®
ERICORE cannot be run.
Although the flowchart allows lengths ofup to 87 m, ideally lengths should be limited to 70 m to avoid any likelihood of problems.
When determining the apparent length ofERITECH® ERICORE conductor required ina particular situation it is prudent to makethe connection to the ground system atthe first available opportunity. The practice of running ERITECH ERICORE forlong horizontal lengths at the groundlevel to reach a designated earth point isdiscouraged. Instead a lower terminationshould be made to a suitable earthingpoint upon reaching the ground or basement level, then a separate length of conventional grounding bonding conductor run to other earthing points as required.
In the case of installations exceed-ing the maximum single ERITECH
ERICORE cable length, the advice of theERICO® application engineering groupshould be sought. The following informa-tion on the techniques used is intended asa guide for installers and to provide back-ground information.
Note: If the number of thunderdaysfor the proposed installation site isnot known, but the ground flash density is known, this value can beconverted to thunderdays using thefollowing table. This resulting valuecan then be used in the figure 33.
When additional measures are required,there are two basic approaches to reduc-ing the otherwise unacceptable voltagerise that would occur on the cable:
• Run parallel ERITECH ERICORE cables,
or
• Run a single ERITECH® ERICORE cable,but break it into several sections, noneof which exceeds the cable breakdownvoltage. This is done by periodicallyconnecting the cable to a conductivestructural point.
These methods are explained as follows.
Ground flash density Lighning activity(strikes / km2 / year) (thunderdays / year)
Up to 2.7 202.8 to 3.9 304.0 to 5.2 405.3 to 6.6 506.7 to 9.5 609.6 to 12.5 80
12.6 or more 100
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Running two or more parallel cablesreduces the voltage rise on each cable byreducing the current magnitude flowingin each cable. For example, if three cableswere run in parallel, each cable could bethree times the single length. In practice,however, this technique is generally onlyeconomically viable when running twocable sections in parallel. ERICO® hasdeveloped a special hardware arrange-ment to allow this to occur, as illustratedin Figure 34.
The Dual Coupling Termination allows theERITECH® DYNASPHERE air terminal toconnect to two ERITECH® ERICORE cables,each complete with upper terminationsand FRP masts. All the rules that normallyapply to a single ERITECH ERICOREarrangement apply to these two cablesand mast arrangement.
A typical mast arrangement is shown inFigure 35. The normal u-bolts are used tofix the FRP masts to the aluminum mast,and the conductive saddles are used to fixthe ERITECH® ERICORE to the mast at thenormal interval of at least every 1 meter(40 in.). Note that the center mast andthe two FRP sections will not be completely in line when the FRP masts are correctly spaced.
Depending on the mast height required,either the 2 meter, or the 4.6 meter, FRPmast may be used.
ERITECH®
DYNASPHERE
ERITECH® ERICORE FIXING BOLTS
MAIN PLATE
TOP FIXING BOLT
MAST BUTT ADAPTOR
COMPRESSION COUPLINGSE2 ERITECH® ERICORE
ERITECH® ERICORE CABLE AND UPPER TERMINATIONS
FRP MASTS
MAST SLEEVE ADAPTOR
LOCKING SCREW
THESE ITEMS ARE ONLY INCLUDED IN ITEM ‘TERMDUALCOUP’, REMAINING ITEMS ARE SHOWN FOR FIELD ASSEMBLY PURPOSES ONLY.
Figure 34: Exploded view of the Dual Coupling Termination.
Parallel ERITECH® ERICORE cables
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2 x FRP MAST(2 m or 4.6 m)
ERITECH®
DYNASPHERE
GUY KIT
ALUMINUM MAST
U Bolts2 x ERITECH®
ERICORECABLE
GUY RING
1 x TERMDUALCOUP
IMPORTANT – To maintain thenecessary clearance betweenthe ERITECH® DYNASPHERE
air terminal and the top of the mast,the FRP mast must protrude at least1400 mm above the top of the aluminium mast. The following showsthe required positioning dimensionsfor the two available FRP mast sizes.
2 meter FRP MastOverlap on aluminium mast = 600 mmProtrusion above aluminium mast = 1400 mm
4.6 meter FRP MastOverlap on aluminium mast = 1.5 mProtrusion above aluminium mast = 3.1 mThe standard guy ring part may be fittedto the Dual Coupling Termination andused with the usual guying kit.
The twin ERITECH® ERICORE conductorsare run in a parallel manner down toground (see Figure 36). The usual conductive saddle spacing applies.
At the point of connection to the grounding system, each ERITECH ERICORE cable is fitted with an ERITECHERICORE Lower Termination Kit, andattached to the grounding system
Series connected ERITECH®
ERICORE cable sections
As an alternative to running twinERITECH ERICORE conductors, a singleERITECH ERICORE cable can be run, but it is broken into several sections, none ofwhich exceeds the cable breakdown voltage. This is done by periodically connecting the cable to a conductivestructural point (see Figure 37).
Figure 35: Typical mast arrangement using the twin ERITECH® ERICORE arrangement.
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The lower end of the upper cable sectionis fitted with a Lower Termination, andthe upper end of the lower cable sectionis fitted with an Upper Termination. TheLower Termination inherently has a lugtermination, but the Upper Terminationneeds to be fitted with a bonding termination (ERICORE/UTSP) and lug(termlugcoup) to allow it to be lugged.Each of these two lugged terminationsmust be electrically bolted together andto a suitable Conductive Structural Point.
In some installations, both lugs can bedirectly connected to a suitable conductive structural point, but in someinstallations it will be more convenient toconnect both lugs to a small busbar, andhave this busbar connected to a suitablenearby conductive structural point. Notethat the conductor used in this case mustbe a minimum of 16 mm2 (4 AWG) andshould not exceed 5 m in length. A suitable conductive structural point maybe either structural steel work or the rein-forcing within concrete panels or slabs.
These joints should not be exposed to theweather and are usually located in a service shaft. Very tall buildings will havea number of connection points dependingon their height.
Details of where to provide the joint willbe provided by the ERICO® applicationengineers, after consideration of thebuilding details.
Figure 36: The twin ERITECH ERICORE conductorsare run parallel down to the ground.
ERITECH®
ERICORE UpperTermination
Upper Termination Lug Coupling
ERITECH®
ERICORELower
Termination
Busbar connectedto conductive
structural point
Figure 37: The method of joining ERITECHERICORE sections.
2 x ERITECH® ERICORE
Running in Parallel
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When to use a twin ERITECH® ERICOREarrangement or a series connectedarrangement depends on the particularcircumstance. The following examplesgive typical guidance.
Telecom TowersMost towers would be less than 70 m, orso, in height so that a single ERITECH®
ERICORE downconductor would suffice.However, where the tower is over themaximum single length but less thantwice the maximum single length (typically 70 m to 140 m in height), it ispreferable to run twin ERITECH® ERICOREdownconductors. These conductorsshould ideally run down opposite legs ofthe tower and each connect into the ringearth at the base of the tower.
Alternatively, and less preferably, a singleupper section of typical length 70 mcould be run from the top of the tower toa point lower down on the tower, thenbonded to the tower using a water-proofed lower termination. A convention-al lightning downconductor could be runfrom this point down to the base of the
tower. This arrangement helps ensure thatthe lightning current bypasses the sensi-tive tower mounted electronics mountedin the antennas on the top half of thetower.
BuildingsBuildings less than 70 m, or so, in heightare served by a single ERITECH® ERICOREdownconductor.
Buildings of height over the maximumsingle length but less than twice the maximum single length (typically 70 m to140 m in height) may be installed witheither twin ERITECH® ERICORE down-conductors, or a series connection in the service shaft.
Buildings of height greater than twice themaximum single length (typically greaterthan 140 m in height) need to use theseries connection method. The ERICO®
application engineering group will deter-mine the allowable lengths of the lowercable sections, which may be able to belonger than the upper length, and insome cases, the lower sections may beconventional downconductor.
The upper terminations on all lower sections of ERICORE cable are to have theStructural Bonding Braids removed. The following diagram indicates how this isdone. The cold shrink is rolled back as faras possible, and the structure bonding braid
If an Upper Termination Lug Coupling is notavailable, a TERMLUGCOUPL may be usedin conjunction with a coupling tube (part:ERICOREUTSP) as shown here.
Practical examples for Long Lengths of ERITECH® ERICORE
Removal of Structural Bonding Braid
cut off as far back as possible, and the coldshrink rolled back in place,covering the freshly cut braid. Discard thecut off braid and terminal block.
Alternative attachment of upper Termination to busbar
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The ERITECH SYSTEM 3000 lightningprotection system requires no user operationand is completely automatic in operation.
• The ERITCH® DYNASPHERE becomesactive only during storm activity.
• The system does not require any externalpower requirements or replacement components for normal operation.
• It is essential that the ERITECHSYSTEM 3000 Lightning Protection System be regularly maintained.
Maintenance should be undertaken:
• After each known strike to the ERITECH DYNASPHERE.
• At least once per year.
• If any changes have been made to the structure, whether they be structural, antennae or building maintenance unit additions, etc.
Use the maintenance record table on page58 to record the relevant details. Theserecords and manual should be kept in a safeplace near the installation.
The certification of the ERITECH® SYSTEM3000 installation must be performed by anauthorized ERICO® representative.
This is done in conjunction with issuing of aCertificate of Compliance, which is suppliedin the back of this manual.
When this certificate has been completedand signed, a copy must be either taken bythe ERICO representative or sent to thenearest ERICO office.
During the process of certification, thefollowing will be checked:
• Installation matches the originallyapproved design.
• Installation needs to be registered at www.erico.com.
• The integrity of the mast and any associated brackets and fastenings.
• Guying, anchor points and fastenings.
• Downconductor routing, securing and seals.
• Ground termination of downconductor.
• Grounding System.
• Labelling.
• Completion of Maintenance Records in this manual.
• Certificate of Compliance and web site registration completed.
• General mechanical check of all fastenings.
Certification
Operation and Maintenance
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Maintenance should be undertaken asfollows:
Do not attempt maintenanceduring potential lightningperiods.
1. Check that the building is the same physical shape and that no additional structures such as antennae, advertising signs, satellite dishes, buildingmaintenance units or similar have beeninstalled within 3 m (121 in.) height ofthe ERITECH® DYNASPHERE.
2. Inspect the ERITECH DYNASPHERE toensure that it is not dented or physicallydamaged in any way.
3. Inspect the finial tip on top of theERITECH DYNASPHERE to ensure that itis not excessively burnt, deformed ormissing. A finial tip must be replaced ifmore than 6 mm (1/4 in.) of the tip ismissing.
4. Check that the FRP mast and lower mastassembly is securely attached to the structure. Check that the guys are secureand undamaged. Replace if necessary. Check that all fastenings are secure and tight.
5. If connected, check the structurebonding cable from the uppertermination or mast base is securelyconnected to the structural steel work.
6. Look for signs of damage to theERITECH® ERICORE downconductor(whether by lightning, careless handling,vandalism or other causes). Check thatthe downconductor is inaccessible topeople and machinery.
7. Check that all labels and signs are still attached and clearly legible. These labels MUST be in place. Refer to the sectionon Labelling.
8. Check that the Lightning Event Counter (LEC) is secure, and that the display is registering a reading, then record the reading.
9. Record resistance and continuity measurements using figure 38 and the table on page 57.
These measurements should be performedafter a known strike to the terminal.
• Remove the waterproofing mastic from the lower termination to expose the connection.
• Disconnect the downconductor from the grounding system.
• If possible, disconnect the structure ground bonding cable from the grounding system.
• Measure the ground resistance of the lightning protection grounding system and record in column 1 of ground resistance readings.
• Measure the ground resistance of the structure and record in column 2 of ground resistance readings.
• Reconnect the structure ground bonding cable to the lightning protection ground system, then measure & record incolumn 3 of ground resistance readings.
• At the lower termination of the downconductor, disconnect the 2.5 mm2
(12 AWG) bonding wire from under the hose clamp.
• With a multimeter, measure thecontinuity between the center conductorand the copper screen of the down-conductor. (This should be greater than1,000 ohms).
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• If possible, measure the continuitybetween the center conductor at the lowerand upper end of the downconductor,(this should be low ohms).
• Reconnect the 2.5 mm2 (12 AWG)bonding wire to the hose clamp.
• Reconnect the downconductor lower termination and structure groundbonding cable to the lightningprotection grounding system.
• Reseal the lower termination andgrounding connection in waterproofing mastic and ensure that the whole connection is made waterproof.
10. Report any problems, defects ofinconsistencies to your nearest ERICO®
Distributor.
11. ERICO® maintains a database of statistical information concerning ERITECH® SYSTEM 3000 installations. We encourage copies of the initial maintenance records be sent to ERICO for collation into our database.
These records should include:
• Name and location of the structure
• Installation date
• Building height
• Maintenance inspection date
• Latest lightning event counter reading
• The Certificate of Compliance
Figure 38: Grounding and downconductor continuity testing.
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MAINTENANCE RECORD
Lightning Ground Check ofDate of Event Resistance Maintenance Comments Inspected
Inspection Counter Readings Points 1 to 11 byReading 1 2 3
NOTICE
Users are advised that the ERITECH® SYSTEM 3000 Lightning Protection Systemmay not function to its full efficiency under ice or snow conditions or onchimneys or stacks emitting gasses or pollutants. For advice on temperature orcorrosion concerns, please contact your local ERICO® Distributor.
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ERITECH® DYNASPHERE Enhanced Terminal
Capture point of the ERITECH® SYSTEM 3000. Initiates an upward leaderduring storm conditions to attract lightning discharges over a greaterradius than conventional protection.
Height: 140 mm (5 1/2 in.)Diameter: 255 mm (10 in.)Weight: 2.8 kg (6 lbs.)Color/Finish: Brushed Stainless Steel
ERITECH® ERICORE Downconductor
Purpose designed cables, using a copper 50 mm2 (1/0 AWG) main conductorto safely convey the lightning energy to ground, while minimizing sideflashing.
Diameter: 36 mm (1 7/16”)Weight: 1.2 kg / m
13 oz / ft.
FRP Mast
Purpose designed Fiberglass Reinforced Plastic, manufactured from non-hydroscopic epoxy and glass laminate, provides an insulated mast formounting the ERITECH® DYNASPHERE.
Lengths: 2 m (81 1/2 in.) & 4.6 m (187 3/4 in.)Inside Diameter: 60 mm (2 3/8 in.)Outside Diameter: 68 mm (2 11/16 in.)Weight: 2 m = 3.3 kg (7 1/4 lbs.)
4.6 m = 7.6 kg (16 3/4 lbs.)Color/Finish: Black
Aluminum Mast
Light weight lower mast material.
Lengths: 3, 4, 5 & 6 m (122 1/2, 163 1/4, 204 & 245 in.)
Inside diameter: 61.9 mm (2 7/16 in)Outside diameter: 69.9 mm (2 3/4 in.)Weight: 2.4 kg / meter
Available with or without mast base plate.
Specifications
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Inline Coupling
Purpose designed coupling to clamp FRP to aluminum lower mast,providing 3 guy anchoring points and downconductor exit point.
Max. Clamping diameter: 70 mm (2 7/8 in.)Max. Clamping torque: 55 kg/cm (45 in.lb)Weight: 2.4 kg (5 1/4 lbs.)Height added to mast: 200 mm (7 7/8 in.)
Lightning Event Counter (LEC IV)
Purpose designed lightning event counter.
I.P. Rating: IP67Operating Temp. Range: 40˚C to +50˚C (-40˚F to 122˚F)Dimensions: 110 mm(h) x 80 mm(w) x 90 mm(d)
4 11/32 (h) x 3 5/32 (w) x 2 7/8 (d)Weight: 0.4 kg
Terminal Lug Coupling
The terminal lug coupling allows for connection of a conventionaldownconductor such as 25 mm x 3 mm copper tape / bar to theERITECH® DYNASPHERE. See Upper Termination Instructions for fixingof coupling to ERITECH DYNASPHERE.
Material: Brass Alloy 384DLength: 68.75 mm (2 11/16 in.)Weight: 181 grams (6.38 oz.)Diameter: 25.4 mm (1 in.)
Guy Ring
Purpose designed guy ring, providing 3 guy anchoring points from theneck of the ERITECH DYNASPHERE.
Height: 105.25 mm (4 2/16 in.)Inside Diameter: 60 mm (2 6/16 in.)Outside Diameter: 91 mm (3 1/2 in.)Material: Cast AluminumGuy Hole Diameter: 10 mm (6/16 in.)
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Guy Kit
Purpose designed guying kits for anchoring from a guy ring orinline coupling. Each kit comes complete with six stainless steelthimbles, plus 18 guying grips per kit. Refer to pages 44 and 45 formore detail.
4 m Guy Kit 7 m Guy KitGuy Diameter: 4 mm (5/32 in.) 5 mm (3/16 in.)Actual Guy Length: 6 m (20 1/2 ft.) 10 m (34 ft.)Guy Tensile Strength: 430 kg (946 lb.) 560 kg (1232 lb.)
ERITECH® ERICORE Downconductor Saddles
Purpose designed saddles for securing of downconductor tostructure.
Material: Stainless Steel 316Length: 114.5 mm (4 1/2 in.)Thickness: 1.2 mm (1/16 in.)Fixing Hole Diameter: 6 mm (4/16 in.)Width: 25.5 mm (1 in.)
Stainless Steel Cable Tie
Purpose designed cable ties for securing of ERITECH ERICOREdownconductor to structures.
Length: 521 mm (20 1/2 in.)Width: 7.9 mm (5/16 in.)Material: Stainless SteelMaximum Bundle Diameter: 152 mm (6 in.)Minimum Loop Tensile Strength: 250 lbs.
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Securing
Saddles, cable hangers or clamps used tomechanically and electrostatically secure thedownconductor to the structure.
Bond
Electrical connection between the outersemi-conductive sheath of the down-conductor and other electrically conductivematerials.
Clamp
Electrically conductive, mechanicalanchoring of the downconductor to thestructure.
Conductive Structural Point
Any point of the structure that is electricallyconductive and is either connected to thestructure earth or has a substantial metallicmass.
Fastenings
Bolts, screws, masonry anchors or otherhardware used to secure anchors to thestructure.
FRP
Fiberglass Reinforced Plastic. Insulated mastfor mounting ERITECH® DYNASPHERE.
Metallic Mast Section
Any type of electrically conductive mastsection, ie: aluminum masts, galvanized freestanding mast, etc.
Structure Bonding Braid
Conductive lead at the base of the uppertermination used to electrostatically bond the downconductors’ outer sheath to aconductive structural point if the down-conductor cannot be clamped to aconductive structural point within 5 m (17 ft.) of the upper termination.
Glossary for terms used in this text
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63www.erico.com
Proj
ect:
Add
ress
:
Type
of
Stru
ctur
e :
IMPO
RTA
NT
NO
TIC
E:Th
is li
ghtn
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prot
ectio
n sy
stem
MU
ST b
e re
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aint
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d st
rictly
to
the
inst
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ions
of
the
Man
ufac
ture
r at
leas
t on
ce a
yea
r.
Des
ign
File
No.
:
Stat
isti
cal l
evel
of
pro
tect
ion
:
%
Dis
trib
utor
:
Num
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of C
ontr
act:
Dat
e of
Con
trac
t:
Dat
e of
Inst
alla
tion
:
D
ate
of In
spec
tion
:
Inst
alla
tion
Con
trac
tor:
Add
ress
:
Inst
alle
d by
:
Term
inal
Typ
e(s)
:
Seri
al N
umbe
r(s)
:
Num
ber
of T
erm
inal
s:
No.
, Len
gth
& T
ype
of D
ownc
ondu
ctor
s:
Max
imum
Gro
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Resi
stan
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Des
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Gro
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The
accr
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epre
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ve o
f ER
ICO
Sig
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:N
ame:
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arra
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ailin
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refe
rabl
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ithi
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inst
alla
tion
.
E1498IS06EN:Manual 8/10/09 11:00 AM Page 65
The C
usto
mer Service M
anag
erER
ICO
34600 Solo
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oad
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SA
AFFIX
STAM
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E1498IS06EN:Manual 8/10/09 11:00 AM Page 66
www.erico.com
10 YEAR LIMITED WARRANTYThis product has a limited warranty to be free from defects in materials and workmanship for a period of ten (10) years from the date of dispatch from the Manufacturer. The Purchaser acknowledges that lightning is a natural event with statistical variation in behavior and energy levels which may exceed product ratings, and 100% protection is not offered and cannot be provided for. Therefore the Manufacturer’s liability is limited to the repair or replacement of the product (at the Manufacturer’s sole option) which in its judgement has not been abused, misused, interfered with by any person not authorized by the Manufacturer, or exposed to energy or transient levels exceeding the Manufacturer’s specifications for the product. The product must be installed and earthed (where applicable) in strict accordance with the Manufacturer’s specifications and all relevant national Electricity and Safety Standards. The Manufacturer and the Purchaser mutually acknowledge that the product by its nature may be subject to degradation as a consequence of the number and severity of surges and transients that it experiences in normal use and this warranty excludes such gradual or sudden degradation. This warranty does not indemnify the Purchaser of the product for any consequential claim for damages or loss of operations or service or profits. Customers should contact their nearest ERICO agent to obtain a Product Repair Authorization Number prior to making any claim under this warranty. This is only a summary of the warranty given by the Manufacturer. The full text of the warranty is set out in the Manufacturer’s Conditions of Quotation and Sale.
www.erico.com
10 YEAR LIMITED WARRANTYThis product has a limited warranty to be free from defects in materials and workmanship for a period of ten (10) years from the date of dispatch from the Manufacturer. The Purchaser acknowledges that lightning is a natural event with statistical variation in behavior and energy levels which may exceed product ratings, and 100% protection is not offered and cannot be provided for. Therefore the Manufacturer’s liability is limited to the repair or replacement of the product (at the Manufacturer’s sole option) which in its judgement has not been abused, misused, interfered with by any person not authorized by the Manufacturer, or exposed to energy or transient levels exceeding the Manufacturer’s specifications for the product. The product must be installed and earthed (where applicable) in strict accordance with the Manufacturer’s specifications and all relevant national Electricity and Safety Standards. The Manufacturer and the Purchaser mutually acknowledge that the product by its nature may be subject to degradation as a consequence of the number and severity of surges and transients that it experiences in normal use and this warranty excludes such gradual or sudden degradation. This warranty does not indemnify the Purchaser of the product for any consequential claim for damages or loss of operations or service or profits. Customers should contact their nearest ERICO agent to obtain a Product Repair Authorization Number prior to making any claim under this warranty. This is only a summary of the warranty given by the Manufacturer. The full text of the warranty is set out in the Manufacturer’s Conditions of Quotation and Sale.
www.erico.com
10 YEAR LIMITED WARRANTYThis product has a limited warranty to be free from defects in materials and workmanship for a period of ten (10) years from the date of dispatch from the Manufacturer. The Purchaser acknowledges that lightning is a natural event with statistical variation in behavior and energy levels which may exceed product ratings, and 100% protection is not offered and cannot be provided for. Therefore the Manufacturer’s liability is limited to the repair or replacement of the product (at the Manufacturer’s sole option) which in its judgement has not been abused, misused, interfered with by any person not authorized by the Manufacturer, or exposed to energy or transient levels exceeding the Manufacturer’s specifications for the product. The product must be installed and earthed (where applicable) in strict accordance with the Manufacturer’s specifications and all relevant national Electricity and Safety Standards. The Manufacturer and the Purchaser mutually acknowledge that the product by its nature may be subject to degradation as a consequence of the number and severity of surges and transients that it experiences in normal use and this warranty excludes such gradual or sudden degradation. This warranty does not indemnify the Purchaser of the product for any consequential claim for damages or loss of operations or service or profits. Customers should contact their nearest ERICO agent to obtain a Product Repair Authorization Number prior to making any claim under this warranty. This is only a summary of the warranty given by the Manufacturer. The full text of the warranty is set out in the Manufacturer’s Conditions of Quotation and Sale.
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WARNING ERICO products shall be installed and used only as indicated in ERICO’s product instruction sheets and training materials. Instruction sheets are available at www.erico.com and from your ERICOcustomer service representative. Improper installation, misuse, misapplication or other failure to completely follow ERICO’s instructions and warnings may cause product malfunction, propertydamage, serious bodily injury and death.
Copyright ©2009 ERICO International Corporation. All rights reserved.CADDY, CADWELD, CRITEC, ERICO, ERIFLEX, ERITECH, and LENTON are registered trademarks of ERICO International Corporation.
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